First I did not know what to start with so I used an idea that I saw to start off. Then because I thought couch V would like a big house I made a big rectangle next to what I already did and then fit every thing I needed in this space.
My blue print
Then I made my house in tinker cad.
The Cottage on tinker cad
Top with roof
Top without roof
Then I calculated the cost of the Paint, Heating and Shingles.
The Total cost for the paint, heating and shingles is 1305$ and the area of the house is 92 meter squared.